Group SMS 3 is described as 'A fast and simple app for iOS that lets you send bulk text messages, import contacts from CSV files, and manage custom distribution lists — ideal for marketing, events, and announcements' and is an app in the office & productivity category. There are 1 alternatives to Group SMS 3 for iPhone. The best Group SMS 3 alternative is SMS+.
SMS+is the best solution to improve your SMS experience on iOS. It integrates perfectly in the native SMS application, adding to it those functionalities you won't ever be able to stay without after having tried them.
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